Heat Advisory — Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR, Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR 9:00 PM Extreme Heat Warning — Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR 9:00 PM

Marion County, Arkansas, United States

Last updated: 4:50 PM CDT  ·  Refresh
37°C
Feels like 43°
Mostly Clear
▲ 37°  /  ▼ 18°
Wind
6 mph NW
Humidity
43%
Dew Point
22°
Pressure
28.98 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
19%
Sunrise
6:09 AM
Sunset
8:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2402 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 8:24PM.

Alerts

Heat Advisory
Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR, Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR
Expires 9:00 PM
Extreme Heat Warning
Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR
Expires 9:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
13%
5 PM
37°
32%
6 PM
36°
33%
7 PM
34°
35%
8 PM
32°
36%
9 PM
30°
28%
10 PM
29°
21%
11 PM
28°
19%
12 AM
26°
7%
1 AM
25°
3%
2 AM
24°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
21°
3%
9 AM
24°
3%
10 AM
25°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
28°
3%
7-Day Forecast
Today
37° 18°
Mostly Clear with a 35% chance of rain.
Wed
30° 18°
Clear.
Thu
31° 18°
Partly Cloudy.
Fri
29° 18°
Overcast with a 71% chance of rain.
Sat
36° 22°
Drizzle, 72% chance.
Sun
39° 24°
Clear.
Mon
39° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 13% 6 mph NW 43%
5 PM 37° Mostly Clear 32% 6 mph NNW 42%
6 PM 36° Clear 33% 7 mph NNW 46%
7 PM 34° Clear 35% 7 mph N 51%
8 PM 32° Clear 36% 8 mph N 53%
9 PM 30° Clear 28% 6 mph N 53%
10 PM 29° Clear 21% 6 mph NNE 55%
11 PM 28° Clear 19% 6 mph NNE 60%
12 AM 26° Clear 7% 6 mph NNE 64%
1 AM 25° Clear 3% 5 mph NNE 67%
2 AM 24° Clear 3% 6 mph N 70%
3 AM 23° Clear 3% 6 mph N 73%
4 AM 23° Clear 3% 6 mph NNE 76%
5 AM 19° Clear 3% 6 mph NNE 79%
6 AM 19° Clear 3% 6 mph NNE 81%
7 AM 20° Clear 3% 7 mph NNE 76%
8 AM 21° Clear 3% 7 mph NE 70%
9 AM 24° Clear 3% 8 mph NE 64%
10 AM 25° Clear 3% 8 mph NE 58%
11 AM 27° Clear 3% 8 mph NNE 54%
12 PM 28° Clear 3% 8 mph NNE 51%
1 PM 28° Clear 3% 8 mph NNE 49%
2 PM 28° Clear 3% 8 mph NNE 48%
3 PM 28° Clear 3% 9 mph NNE 47%
15-Day Forecast
Today
7/21
Mostly Clear
35%
18°
37°
Wed
7/22
Clear
6%
18°
30°
Thu
7/23
Partly Cloudy
7%
18°
31°
Fri
7/24
Overcast
71%
18°
29°
Sat
7/25
Drizzle
72%
22°
36°
Sun
7/26
Clear
16%
24°
39°
Mon
7/27
Clear
11%
24°
39°
Tue
7/28
Mostly Cloudy
60%
22°
37°
Wed
7/29
Partly Cloudy
49%
22°
36°
Thu
7/30
Drizzle
50%
21°
36°
Fri
7/31
Drizzle
60%
21°
35°
Sat
8/1
Drizzle
60%
21°
35°
Sun
8/2
Drizzle
60%
21°
35°
Mon
8/3
Drizzle
60%
21°
35°
Tue
8/4
Drizzle
60%
21°
34°
57
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
57 AQI 12.2 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 57 Moderate 42 57
Thu 52 Moderate 37 52
Fri 36 Good 32 36
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3213 J/kg
MLCAPE2871 J/kg
MUCAPE3213 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear15 kt
0–1 km Shear5 kt
Eff. Shear20 kt
0–1 km SRH-13
0–3 km SRH-28
Eff. SRH-28
Storm Motion292° @ 19 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.7
Thermo & Levels
PWAT2.09 in
0–3 km LR8.3 °C/km
700–500 LR5.9 °C/km
Total Totals50.1
LCL794 hPa
LFC981 hPa
EL133 hPa
Freezing Lvl16,401 ft